Question

by which smallest number must 5400 by multiplied to perfect cube

Answer 1

it should be multiplied by 5. take a look at picture.

Answer 2

Answer:

on grouping the factor , we find that 5×5 is left and so , we multiply 5400 by 5 and the prime factor 5 will also appear three time.

Hence, 5400 must be multiplied by 5 to make it a perfect cube